In agricultural production, the low utilization rate of chemical fertilizers has always been an important issue for farmers, especially in large-scale agricultural cultivation. The utilization rate of chemical fertilizers is not high, and it is difficult to promote high-quality and high-yield crops, but also increase planting costs. Soil quality, etc., so the scale of planting to lose weight and increase efficiency, the most effective way is scientific soil testing, precision fertilization. The use of a soil tester to do nutrient testing of the soil can provide important guidance for the scientific and rational application of chemical fertilizers and effectively increase the utilization rate of chemical fertilizers.
At present, with the adjustment of agricultural structure, soil testing also puts forward several requirements. The first is to be precise, only when the measurement is accurate, it can ensure the scientificity of formula fertilization and improve the effect of fertilization; the second is quick and fast soil. Detection can effectively save time, ensure the smooth implementation and development of soil testing and fertilizer application; the third is to adapt to a wide range of soil to meet the determination of different areas; the fourth is simple, easy to use. The soil tester combines the features of accuracy, rapidness, wide adaptability and simple operation, and is an ideal instrument for soil nutrient determination in the agricultural field.
In the field of agricultural production, fertilizers are not applied as much as possible, but should be appropriate and timely. The use of a soil tester to understand soil conditions can be based on a full understanding of soil nutrient abundance and soil nutrient performance, according to the crop's fertilizer requirements and characteristics to carry out scientific fertilization, and then to improve the efficiency of fertilizer use . Increasing the utilization of chemical fertilizers is actually equivalent to increasing the amount of chemical fertilizers used, reducing costs, and increasing the economic benefits of chemical fertilizers. Therefore, it can be said that the application of earth tester has played an important role in promoting the efficiency of modern agriculture, and brought real benefits to farmers.
Nox Sensor 24V for DAF car, auto parts DAF Automobile 24V nitrogen and Oxygen Sensor is suitable for DAF tail gas treatment. Nitrogen and oxygen sensor is one of the key components of SCR post-treatment system. It is used to measure the concentration of nitrogen and oxygen in engine exhaust to meet the needs of closed-loop control of engine aftertreatment system and on-board OBD diagnostic system. It can be applied to gas engine or diesel engine. Its structure includes ceramic probe, cable and processing chip controller, which is connected with ECU through can communication. The effects of nitrogen and oxygen sensor damage are as follows: 1. If the nitrogen and oxygen sensor is damaged, the diesel control system is in an open-loop state, that is, the emission data cannot be accurately fed back, and the engine control unit cannot accurately adjust the emission. At this time, the vehicle's emission must exceed the standard. If it always exceeds the standard, the service life of tail gas emission treatment equipment will be shortened. 2. Because it is a key component for measuring the excessive exhaust of diesel vehicles. If it is damaged or works poorly, it will directly cause multiple fault lights of the engine to turn on. At the same time, there will be relevant fault storage records in the control unit. 3. The damage of nitrogen and oxygen sensor will lead to the disorder of diesel combustion control, resulting in weak acceleration, idle jitter, unable to start and so on,. Once a problem occurs, the nitrogen and oxygen sensor needs to be replaced in time. It is usually installed at the rear end of the catalyst in the exhaust pipe.
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